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Add 45/4 and 3/9

1st number: 11 1/4, 2nd number: 3/9

45/4 + 3/9 is 139/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    45/4 = 45 × 9/4 × 9 = 405/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    3/9 = 3 × 4/9 × 4 = 12/36
  4. Add the two like fractions:
    405/36 + 12/36 = 405 + 12/36 = 417/36
  5. 417/36 simplified gives 139/12
  6. So, 45/4 + 3/9 = 139/12
    In mixed form: 117/12

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